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  <h1 id="Python发送邮件基础知识与代码讲解！"><a href="#Python发送邮件基础知识与代码讲解！" class="headerlink" title="Python发送邮件基础知识与代码讲解！"></a>Python发送邮件基础知识与代码讲解！</h1><h3 id="前言"><a href="#前言" class="headerlink" title="前言"></a>前言</h3><p>本文主要对邮件操作基础知识及代码进行介绍，<strong>用Python发邮件有哪些优势</strong>？👇  </p>
<ul>
<li><p>批量发送邮件，并且各邮件可以不同</p>
</li>
<li><p>高度自定义的定时发送</p>
</li>
<li><p>更有效地管理收件箱</p>
</li>
</ul>
<h3 id="基本概念"><a href="#基本概念" class="headerlink" title="基本概念"></a>基本概念</h3><p>有关邮件的基本概念，可以查看下图<img src=""></p>
<h3 id="代码操作前的配置"><a href="#代码操作前的配置" class="headerlink" title="代码操作前的配置"></a>代码操作前的配置</h3><p>以<strong>网易163邮箱</strong>为例，邮箱需要先开通<code>POP3/SMTP/IMAP</code>，可以按照下面步骤执行<img src=""></p>
<h3 id="安装依赖模块"><a href="#安装依赖模块" class="headerlink" title="安装依赖模块"></a>安装依赖模块</h3><ul>
<li><p><code>yagmail</code>：基于SMTP的发邮件模块</p>
</li>
<li><p><code>keyring</code>：访问系统密钥环服务，方便、安全地储存密码</p>
</li>
</ul>
<p><img src="">在命令行中键入以下代码可同时安装两个模块：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">pip install yagmail keyring --user  </span><br><span class="line"></span><br></pre></td></tr></table></figure>

<h3 id="具体代码操作"><a href="#具体代码操作" class="headerlink" title="具体代码操作"></a>具体代码操作</h3><h4 id="1-发送单个邮件"><a href="#1-发送单个邮件" class="headerlink" title="1.发送单个邮件"></a>1.发送单个邮件</h4><p>基本代码逻辑如下</p>
<blockquote>
<p><code>yagmail.SMTP(user=用户名, host=SMTP服务器域名)</code></p>
<p><code>yagmail.SMTP(user=用户名, password=授权码, host=SMTP服务器域名)</code></p>
<p><code>mail.send(收件人用户名，邮件标题，邮件内容)</code></p>
</blockquote>
<p>所以登陆邮箱并发送一封邮件的代码可以这样写👇</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">import yagmail  </span><br><span class="line">mail &#x3D; yagmail.SMTP(user&#x3D;&#39;chenx595@163.com&#39;, host&#x3D;&#39;smtp.163.com&#39;)   </span><br><span class="line">contents &#x3D; [&#39;第一段内容&#39;, &#39;第二段内容&#39;]   </span><br><span class="line">mail.send(&#39;chenx595@163.com&#39;, &#39;这是一封邮件&#39;, contents)  </span><br><span class="line"></span><br></pre></td></tr></table></figure>

<p>注意，yagmail基础设置中服务器地址需要和所用的邮箱对应！</p>
<h3 id="2-群发邮件"><a href="#2-群发邮件" class="headerlink" title="2. 群发邮件"></a>2. 群发邮件</h3><p>从下图可以看到，<strong>将收件的邮箱组合成列表形式</strong>，即可给多个联系人群发邮件<img src=""></p>
<h3 id="3-发送带有HTML样式的邮件"><a href="#3-发送带有HTML样式的邮件" class="headerlink" title="3. 发送带有HTML样式的邮件"></a>3. 发送带有HTML样式的邮件</h3><p>需要具备一定的前端知识，这里以附带链接为例<code>&lt;a href=链接网址&gt;链接显示的文字&lt;/a&gt;</code></p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">import yagmail  </span><br><span class="line">mail &#x3D; yagmail.SMTP(user&#x3D;&#39;chenx595@163.com&#39;, host&#x3D;&#39;smtp.163.com&#39;)   </span><br><span class="line">contents &#x3D; [&#39;第一段&#39;, &#39;第二段&#39;, &#39;&lt;a href&#x3D;&quot;https:&#x2F;&#x2F;www.baidu.com&quot;&gt;某度&lt;&#x2F;a&gt;&#39;]   </span><br><span class="line">mail.send(&#39;chenx595@163.com&#39;, &#39;带HTML样式的邮件&#39;, contents)  </span><br><span class="line"></span><br></pre></td></tr></table></figure>

<h3 id="4-发送带有附件的邮件"><a href="#4-发送带有附件的邮件" class="headerlink" title="4. 发送带有附件的邮件"></a>4. 发送带有附件的邮件</h3><p>yagmail非常智能，可以<strong>识别<code>contents</code>列表中本地路径作为附件</strong></p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">import yagmail  </span><br><span class="line">mail &#x3D; yagmail.SMTP(user&#x3D;&#39;chenx595@163.com&#39;, host&#x3D;&#39;smtp.163.com&#39;)   </span><br><span class="line">contents &#x3D; [&#39;第一段&#39;, &#39;第二段&#39;, r&#39;C:\xxx\xxx&#39;]   </span><br><span class="line">mail.send(&#39;chenx595@163.com&#39;, &#39;带HTML样式的邮件&#39;, contents)  </span><br><span class="line"></span><br></pre></td></tr></table></figure>

<h3 id="5-给邮件正文嵌入图片"><a href="#5-给邮件正文嵌入图片" class="headerlink" title="5. 给邮件正文嵌入图片"></a>5. 给邮件正文嵌入图片</h3><p>这里就出现问题了，我们往往把图片存在本地，如果按上述的代码在内容列表中放图片路径的话，会以附件形式存图片。</p>
<p>那么，如何用代码将图片嵌入正文中呢，用到的代码为：<code>yagmail.inline(&#39;图片路径&#39;)]</code></p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">import yagmail  </span><br><span class="line">mail &#x3D; yagmail.SMTP(user&#x3D;&#39;chenx595@163.com&#39;, host&#x3D;&#39;smtp.163.com&#39;)   </span><br><span class="line">contents &#x3D; [&#39;第一段&#39;, &#39;第二段&#39;, yagmail.inline(r&#39;C:\xxx\xxx&#39;)]   </span><br><span class="line">mail.send(&#39;chenx595@163.com&#39;, &#39;带HTML样式的邮件&#39;, contents)  </span><br><span class="line"></span><br></pre></td></tr></table></figure>

<p>对添加附件的代码稍加改动，将你需要发送的图片路径替换即可！</p>
<p><em><strong>-END-</strong></em></p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line"></span><br><span class="line"></span><br></pre></td></tr></table></figure>




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  tocbot.init({
    tocSelector: '.tocbot',
    contentSelector: '.article-entry',
    headingSelector: 'h1, h2, h3, h4, h5, h6',
    hasInnerContainers: true,
    scrollSmooth: true,
    scrollContainer: 'main',
    positionFixedSelector: '.tocbot',
    positionFixedClass: 'is-position-fixed',
    fixedSidebarOffset: 'auto'
  });
</script>

<script src="https://cdn.jsdelivr.net/npm/jquery-modal@0.9.2/jquery.modal.min.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/jquery-modal@0.9.2/jquery.modal.min.css">
<script src="https://cdn.jsdelivr.net/npm/justifiedGallery@3.7.0/dist/js/jquery.justifiedGallery.min.js"></script>

<script src="/dist/main.js"></script>

<!-- ImageViewer -->

<!-- Root element of PhotoSwipe. Must have class pswp. -->
<div class="pswp" tabindex="-1" role="dialog" aria-hidden="true">

    <!-- Background of PhotoSwipe. 
         It's a separate element as animating opacity is faster than rgba(). -->
    <div class="pswp__bg"></div>

    <!-- Slides wrapper with overflow:hidden. -->
    <div class="pswp__scroll-wrap">

        <!-- Container that holds slides. 
            PhotoSwipe keeps only 3 of them in the DOM to save memory.
            Don't modify these 3 pswp__item elements, data is added later on. -->
        <div class="pswp__container">
            <div class="pswp__item"></div>
            <div class="pswp__item"></div>
            <div class="pswp__item"></div>
        </div>

        <!-- Default (PhotoSwipeUI_Default) interface on top of sliding area. Can be changed. -->
        <div class="pswp__ui pswp__ui--hidden">

            <div class="pswp__top-bar">

                <!--  Controls are self-explanatory. Order can be changed. -->

                <div class="pswp__counter"></div>

                <button class="pswp__button pswp__button--close" title="Close (Esc)"></button>

                <button class="pswp__button pswp__button--share" style="display:none" title="Share"></button>

                <button class="pswp__button pswp__button--fs" title="Toggle fullscreen"></button>

                <button class="pswp__button pswp__button--zoom" title="Zoom in/out"></button>

                <!-- Preloader demo http://codepen.io/dimsemenov/pen/yyBWoR -->
                <!-- element will get class pswp__preloader--active when preloader is running -->
                <div class="pswp__preloader">
                    <div class="pswp__preloader__icn">
                        <div class="pswp__preloader__cut">
                            <div class="pswp__preloader__donut"></div>
                        </div>
                    </div>
                </div>
            </div>

            <div class="pswp__share-modal pswp__share-modal--hidden pswp__single-tap">
                <div class="pswp__share-tooltip"></div>
            </div>

            <button class="pswp__button pswp__button--arrow--left" title="Previous (arrow left)">
            </button>

            <button class="pswp__button pswp__button--arrow--right" title="Next (arrow right)">
            </button>

            <div class="pswp__caption">
                <div class="pswp__caption__center"></div>
            </div>

        </div>

    </div>

</div>

<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/photoswipe@4.1.3/dist/photoswipe.min.css">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/photoswipe@4.1.3/dist/default-skin/default-skin.min.css">
<script src="https://cdn.jsdelivr.net/npm/photoswipe@4.1.3/dist/photoswipe.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/photoswipe@4.1.3/dist/photoswipe-ui-default.min.js"></script>

<script>
    function viewer_init() {
        let pswpElement = document.querySelectorAll('.pswp')[0];
        let $imgArr = document.querySelectorAll(('.article-entry img:not(.reward-img)'))

        $imgArr.forEach(($em, i) => {
            $em.onclick = () => {
                // slider展开状态
                // todo: 这样不好，后面改成状态
                if (document.querySelector('.left-col.show')) return
                let items = []
                $imgArr.forEach(($em2, i2) => {
                    let img = $em2.getAttribute('data-idx', i2)
                    let src = $em2.getAttribute('data-target') || $em2.getAttribute('src')
                    let title = $em2.getAttribute('alt')
                    // 获得原图尺寸
                    const image = new Image()
                    image.src = src
                    items.push({
                        src: src,
                        w: image.width || $em2.width,
                        h: image.height || $em2.height,
                        title: title
                    })
                })
                var gallery = new PhotoSwipe(pswpElement, PhotoSwipeUI_Default, items, {
                    index: parseInt(i)
                });
                gallery.init()
            }
        })
    }
    viewer_init()
</script>

<!-- MathJax -->

<!-- Katex -->

<!-- busuanzi  -->


<script src="/js/busuanzi-2.3.pure.min.js"></script>


<!-- ClickLove -->

<!-- ClickBoom1 -->

<!-- ClickBoom2 -->

<!-- CodeCopy -->


<link rel="stylesheet" href="/css/clipboard.css">

<script src="https://cdn.jsdelivr.net/npm/clipboard@2/dist/clipboard.min.js"></script>
<script>
  function wait(callback, seconds) {
    var timelag = null;
    timelag = window.setTimeout(callback, seconds);
  }
  !function (e, t, a) {
    var initCopyCode = function(){
      var copyHtml = '';
      copyHtml += '<button class="btn-copy" data-clipboard-snippet="">';
      copyHtml += '<i class="ri-file-copy-2-line"></i><span>COPY</span>';
      copyHtml += '</button>';
      $(".highlight .code pre").before(copyHtml);
      $(".article pre code").before(copyHtml);
      var clipboard = new ClipboardJS('.btn-copy', {
        target: function(trigger) {
          return trigger.nextElementSibling;
        }
      });
      clipboard.on('success', function(e) {
        let $btn = $(e.trigger);
        $btn.addClass('copied');
        let $icon = $($btn.find('i'));
        $icon.removeClass('ri-file-copy-2-line');
        $icon.addClass('ri-checkbox-circle-line');
        let $span = $($btn.find('span'));
        $span[0].innerText = 'COPIED';
        
        wait(function () { // 等待两秒钟后恢复
          $icon.removeClass('ri-checkbox-circle-line');
          $icon.addClass('ri-file-copy-2-line');
          $span[0].innerText = 'COPY';
        }, 2000);
      });
      clipboard.on('error', function(e) {
        e.clearSelection();
        let $btn = $(e.trigger);
        $btn.addClass('copy-failed');
        let $icon = $($btn.find('i'));
        $icon.removeClass('ri-file-copy-2-line');
        $icon.addClass('ri-time-line');
        let $span = $($btn.find('span'));
        $span[0].innerText = 'COPY FAILED';
        
        wait(function () { // 等待两秒钟后恢复
          $icon.removeClass('ri-time-line');
          $icon.addClass('ri-file-copy-2-line');
          $span[0].innerText = 'COPY';
        }, 2000);
      });
    }
    initCopyCode();
  }(window, document);
</script>


<!-- CanvasBackground -->


    
  </div>
</body>

</html>